Spanish phrase
Corrígeme.
Meaning
Tell me if I'm wrong.
When to use it
A request to be told when mistaken. Used with friends to invite correction, adding please makes it polite and a more formal phrasing is used with superiors.
Example dialogue
Corrígeme si digo algo mal.
Tell me if I'm wrong about anything I say.
Vale, te avisaré cuando haga falta.
Alright, I'll tell you when it's necessary.